:root {
  color-scheme: light;
  --paper: #f4f5f2;
  --surface: #ffffff;
  --ink: #172629;
  --muted: #647579;
  --line: #cfd8d5;
  --teal: #126e6b;
  --teal-soft: #d9ece8;
  --coral: #d85d4b;
  --mustard: #b68222;
  --focus: #0c5f8f;
  --shadow: 0 10px 28px rgb(23 38 41 / 8%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgb(244 245 242 / 94%);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--surface);
  font-size: 12px;
}

.topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px var(--teal-soft);
}

main {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 48px 32px 72px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 18ch;
  margin-bottom: 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 500;
  line-height: 0.98;
}

h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 500;
  line-height: 1.05;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.scene-header {
  padding: 28px 0 44px;
}

.scene-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.brief {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.integrity {
  min-width: 180px;
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  background: var(--surface);
}

.integrity-label {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.control-band {
  display: grid;
  grid-template-columns: minmax(170px, 0.7fr) minmax(500px, 2fr) minmax(180px, 0.7fr);
  align-items: center;
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.selected-receipt {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(0, 2.45fr);
  gap: 18px 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.selected-receipt-heading h2 {
  font-size: 24px;
}

.receipt-state {
  display: inline-block;
  margin-top: 12px;
  padding: 5px 8px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 10px;
  text-transform: uppercase;
}

.proof-scope {
  grid-column: 2;
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--mustard);
  background: #fff9e9;
  color: #65460f;
  font-size: 13px;
  font-weight: 700;
}

.selected-receipt-facts {
  display: grid;
  grid-column: 2;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 22px;
  margin: 0;
}

.selected-receipt-facts div {
  min-width: 0;
}

.selected-receipt-facts dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  text-transform: uppercase;
}

.selected-receipt-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.4;
}

.selected-receipt-facts .receipt-wide {
  grid-column: span 2;
}

.recovery-panel {
  margin: 0 0 44px;
  padding: 32px;
  border: 1px solid var(--coral);
  background: #fff8f5;
}

.recovery-panel h2 {
  margin-bottom: 12px;
}

.recovery-summary {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.5;
}

.recovery-slots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.recovery-slots li {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.recovery-slots li[data-status="failed"] {
  border-color: var(--coral);
}

.recovery-slots strong,
.recovery-slots span {
  display: block;
}

.recovery-slots span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

.recovery-slots p {
  margin: 14px 0 0;
  line-height: 1.45;
}

.recovery-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  background: var(--ink);
  color: #ffffff;
}

.recovery-command span {
  color: #b9cbc8;
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.recovery-command code {
  overflow-wrap: anywhere;
}

.recovery-mode .control-band,
.recovery-mode .selected-receipt,
.recovery-mode .takes-section,
.recovery-mode .decision-band,
.recovery-mode .packet-band {
  display: none;
}

.control-band h2 {
  font-size: 24px;
}

.control-band-title .eyebrow {
  margin-bottom: 5px;
}

.locked-variables {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.locked-variables div {
  min-width: 0;
}

.locked-variables dt,
.packet-facts dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.locked-variables dd,
.packet-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  font-weight: 680;
}

.changed-variable {
  padding: 12px 14px;
  border: 1px solid var(--mustard);
  background: #fff9e9;
}

.changed-variable span,
.changed-variable strong {
  display: block;
}

.changed-variable span {
  margin-bottom: 3px;
  color: #76500e;
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.takes-section {
  padding: 56px 0 64px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

.section-heading > p {
  max-width: 280px;
  margin-bottom: 0;
  color: var(--muted);
  text-align: right;
}

.take-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.take-card {
  position: relative;
  display: block;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: 0 1px 0 rgb(23 38 41 / 4%);
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.take-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.take-card:has(input:checked) {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px var(--teal), var(--shadow);
}

.take-card:has(input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.take-card input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.take-image-wrap {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #e5e9e6;
}

.take-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.take-number,
.take-state {
  position: absolute;
  top: 12px;
  padding: 7px 9px;
  background: var(--surface);
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.take-number {
  left: 12px;
}

.take-state {
  right: 12px;
}

.take-card:has(input:checked) .take-state {
  background: var(--teal);
  color: #ffffff;
}

.take-content {
  display: block;
  min-height: 152px;
  padding: 18px;
}

.take-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.take-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 500;
}

.choice-indicator {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid var(--muted);
  border-radius: 50%;
}

.take-card:has(input:checked) .choice-indicator {
  border: 5px solid var(--teal);
}

.take-change,
.take-meta {
  display: block;
}

.take-change {
  margin-top: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 680;
}

.take-meta {
  margin-top: 10px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.45;
}

.decision-band {
  display: grid;
  grid-template-columns: minmax(230px, 0.8fr) minmax(520px, 1.8fr);
  gap: 64px;
  padding: 48px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.decision-copy > p:last-child {
  max-width: 340px;
  margin-top: 18px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.decision-form label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  padding: 14px 16px;
  border: 1px solid #9caaa7;
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  line-height: 1.5;
}

textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 14px;
}

.form-footer p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.form-actions {
  display: flex;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--ink);
  color: #ffffff;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.button:hover {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

.button:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.packet-band {
  display: grid;
  grid-template-columns: 0.8fr 1.8fr;
  gap: 64px;
  padding: 44px 0 0;
}

.packet-facts {
  display: grid;
  grid-template-columns: 0.6fr 0.8fr 2fr;
  gap: 24px;
  margin: 0;
}

.packet-facts code {
  font-size: 11px;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .control-band,
  .decision-band,
  .packet-band,
  .selected-receipt {
    grid-template-columns: 1fr;
  }

  .control-band,
  .decision-band,
  .packet-band,
  .selected-receipt {
    gap: 24px;
  }

  .proof-scope,
  .selected-receipt-facts {
    grid-column: 1;
  }

  .take-grid {
    grid-template-columns: 1fr;
  }

  .take-card {
    display: grid;
    grid-template-columns: minmax(180px, 0.8fr) 1fr;
  }

  .take-content {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .topbar {
    min-height: 52px;
    padding: 0 16px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .topbar-status {
    min-width: 0;
    max-width: 45%;
    font-size: 11px;
  }

  .topbar-status > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  main {
    padding: 20px 16px 52px;
  }

  h1 {
    margin-bottom: 8px;
    font-size: 34px;
  }

  .scene-heading-row,
  .section-heading,
  .form-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .scene-header {
    padding: 8px 0 14px;
  }

  .scene-header > .eyebrow {
    margin-bottom: 7px;
  }

  .scene-heading-row {
    gap: 12px;
  }

  .brief {
    font-size: 14px;
    line-height: 1.45;
  }

  .integrity {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    min-width: 0;
    align-items: center;
    gap: 2px 12px;
    padding: 8px 12px;
  }

  .integrity-label {
    margin-bottom: 0;
  }

  .control-band {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 12px 0;
  }

  .selected-receipt {
    gap: 12px;
    padding: 16px 0;
  }

  .selected-receipt-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  .selected-receipt-heading .eyebrow {
    display: none;
  }

  .selected-receipt-heading h2 {
    font-size: 20px;
  }

  .receipt-state {
    margin-top: 0;
  }

  .proof-scope {
    padding: 8px 10px;
    font-size: 11px;
  }

  .selected-receipt-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 14px;
  }

  .selected-receipt-facts .receipt-wide {
    grid-column: 1 / -1;
  }

  .control-band-title .eyebrow {
    display: none;
  }

  .control-band h2 {
    font-size: 20px;
  }

  .changed-variable {
    padding: 7px 10px;
  }

  .locked-variables {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 18px;
  }

  .locked-variables dt {
    margin-bottom: 1px;
    font-size: 9px;
  }

  .locked-variables dd {
    font-size: 11px;
  }

  .takes-section {
    padding: 22px 0 44px;
  }

  .recovery-panel {
    margin-bottom: 24px;
    padding: 20px 16px;
  }

  .recovery-slots {
    grid-template-columns: 1fr;
  }

  .recovery-command {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading {
    gap: 8px;
    margin-bottom: 16px;
  }

  .section-heading h2 {
    font-size: 27px;
  }

  .section-heading > p {
    font-size: 14px;
  }

  .packet-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading > p {
    text-align: left;
  }

  .take-card {
    display: block;
  }

  .form-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}